LimeSDR-Mini JTAG cable adapter: Difference between revisions
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To directly program LimeSDR-Mini FPGA Intel MAX 10 (10M16SAU169C8G 169-UBGA), it is needed to connected JTAG adapter (Altera Blaster or equivalent). Standard FPGA JTAG connector has 10 pins in 2x5 configuration with 0.1" (2.54mm) pitch. Standard JTAG connector is too large for such a small PCB as LimeSDR-Mini. For this reason, LimeSSDR-Mini has 2 non-standard JTAG programming connectors: | To directly program LimeSDR-Mini FPGA Intel MAX 10 (10M16SAU169C8G 169-UBGA), it is needed to connected JTAG adapter (Altera Blaster or equivalent). Standard FPGA JTAG connector has 10 pins in 2x5 configuration with 0.1" (2.54mm) pitch. Standard JTAG connector is too large for such a small PCB as LimeSDR-Mini. For this reason, LimeSSDR-Mini has 2 non-standard JTAG programming connectors: |
Revision as of 11:08, 10 April 2018
LimeSDR-Mini JTAG cable adapter
To directly program LimeSDR-Mini FPGA Intel MAX 10 (10M16SAU169C8G 169-UBGA), it is needed to connected JTAG adapter (Altera Blaster or equivalent). Standard FPGA JTAG connector has 10 pins in 2x5 configuration with 0.1" (2.54mm) pitch. Standard JTAG connector is too large for such a small PCB as LimeSDR-Mini. For this reason, LimeSSDR-Mini has 2 non-standard JTAG programming connectors:
- JTAG connector on the board edge (Pitch 0.1", 7 pin) (unpopulated)
- JTAG connector (Pitch 0.05", 10 pin) (unpopulated)
JTAG connector on the board edge (Pitch 0.1", 7 pin)
To use this JTAG connector with standard JTAG adapter you need to make simple JTAG adapter. Below are shown LimeSDR-Mini JTAG edge adapter schematic. LED is optional component and is required only for power indication.
BOM:
1. Header connector (pitch 0.1" (2.54mm));
2. Pinheader (7 pin, pitch 0.1" (2.54mm) ;
3. Flat Ribbon Cable (pitch 0.5" (1,27mm);
JTAG connector (Pitch 0.05", 10 pin)
This connector has standard FPGA JTAG pinout pinout, but smaller pitch (0.05").
BOM:
1. Header connector (pitch 0.100" (2.54mm));
2. Female Socket (0.05" (1.27mm));
3. Flat Ribbon Cable (pitch: 0.025" (0.64mm)).
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